[libpng16] Updated LICENSE to say files in the contrib directory are not

necessarily under the libpng license, and that some makefiles have
other copyright owners.

ANNOUNCE

-Libpng 1.6.22beta03 - February 16, 2016
+Libpng 1.6.22beta03 - February 19, 2016
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -54,16 +54,19 @@ Version 1.6.22beta02 [February 8, 2016]
     extend the png_set_alpha_mode range as HDR imaging systems are starting
     to emerge.
 
-Version 1.6.22beta03 [February 16, 2016]
+Version 1.6.22beta03 [February 19, 2016]
   Added a common-law trademark notice and export control information
     to the LICENSE file, png.h, and the man page.
   Restored "& 0xff" in png_save_uint_16() and png_save_uint_32() that
     were accidentally removed from libpng-1.6.17. 
   Changed PNG_INFO_cHNK and PNG_FREE_cHNK from 0xnnnn to 0xnnnnU in png.h
-   (Robert C. Seacord).
+    (Robert C. Seacord).
   Removed dubious "#if INT_MAX" test from png.h that was added to
-   libpng-1.6.19beta02 (John Bowler).
+    libpng-1.6.19beta02 (John Bowler).
   Add ${INCLUDES} in scripts/genout.cmake.in (Bug report by Nixon Kwok).
+  Updated LICENSE to say files in the contrib directory are not
+    necessarily under the libpng license, and that some makefiles have
+    other copyright owners.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

CHANGES

@@ -5513,16 +5513,19 @@ Version 1.6.22beta02 [February 8, 2016]
     extend the png_set_alpha_mode range as HDR imaging systems are starting
     to emerge.
 
-Version 1.6.22beta03 [February 16, 2016]
+Version 1.6.22beta03 [February 19, 2016]
   Added a common-law trademark notice and export control information
     to the LICENSE file, png.h, and the man page.
   Restored "& 0xff" in png_save_uint_16() and png_save_uint_32() that
     were accidentally removed from libpng-1.6.17. 
   Changed PNG_INFO_cHNK and PNG_FREE_cHNK from 0xnnnn to 0xnnnnU in png.h
-   (Robert C. Seacord).
+    (Robert C. Seacord).
   Removed dubious "#if INT_MAX" test from png.h that was added to
-   libpng-1.6.19beta02 (John Bowler).
+    libpng-1.6.19beta02 (John Bowler).
   Add ${INCLUDES} in scripts/genout.cmake.in (Bug report by Nixon Kwok).
+  Updated LICENSE to say files in the contrib directory are not
+    necessarily under the libpng license, and that some makefiles have
+    other copyright owners.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

LICENSE

@@ -10,7 +10,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.0.7, July 1, 2000, through 1.6.22beta03, February 10, 2016, are
+libpng versions 1.0.7, July 1, 2000, through 1.6.22beta03, February 19, 2016, are
 Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are
 derived from libpng-1.0.6, and are distributed according to the same
 disclaimer and license as libpng-1.0.6 with the following individuals
@@ -32,6 +32,10 @@ and with the following additions to the disclaimer:
    risk of satisfactory quality, performance, accuracy, and effort is with
    the user.
 
+Some files in the "contrib" directory and some configure-generated
+files that are distributed with libpng have other copyright owners and
+are released under other open source licenses.
+
 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
 Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from
 libpng-0.96, and are distributed according to the same disclaimer and
@@ -55,6 +59,9 @@ Contributing Authors:
    Greg Roelofs
    Tom Tanner
 
+Some files in the "scripts" directory have other copyright owners
+but are released under this license.
+
 libpng versions 0.5, May 1995, through 0.88, January 1996, are
 Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
 
@@ -120,4 +127,4 @@ any encryption software.  See the EAR, paragraphs 734.3(b)(3) and
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-February 10, 2016
+February 19, 2016

libpng-manual.txt

 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.6.22beta03 - February 10, 2016
+ libpng version 1.6.22beta03 - February 19, 2016
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.6.22beta03 - February 10, 2016
+ libpng versions 0.97, January 1998, through 1.6.22beta03 - February 19, 2016
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
 

libpng.3

-.TH LIBPNG 3 "February 10, 2016"
+.TH LIBPNG 3 "February 19, 2016"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.22beta03
 .SH SYNOPSIS
@@ -510,7 +510,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
 .SH LIBPNG.TXT
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.6.22beta03 - February 10, 2016
+ libpng version 1.6.22beta03 - February 19, 2016
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
@@ -521,7 +521,7 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.6.22beta03 - February 10, 2016
+ libpng versions 0.97, January 1998, through 1.6.22beta03 - February 19, 2016
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
 
@@ -6005,7 +6005,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.6.22beta03 - February 10, 2016:
+Libpng version 1.6.22beta03 - February 19, 2016:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -6030,7 +6030,7 @@ this sentence.
 
 This code is released under the libpng license.
 
-libpng versions 1.0.7, July 1, 2000, through 1.6.22beta03, February 10, 2016, are
+libpng versions 1.0.7, July 1, 2000, through 1.6.22beta03, February 19, 2016, are
 Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are
 derived from libpng-1.0.6, and are distributed according to the same
 disclaimer and license as libpng-1.0.6 with the following individuals
@@ -6052,6 +6052,10 @@ and with the following additions to the disclaimer:
    risk of satisfactory quality, performance, accuracy, and effort is with
    the user.
 
+Some files in the "contrib" directory and some configure-generated
+files that are distributed with libpng have other copyright owners and
+are released under other open source licenses.
+
 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
 Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from
 libpng-0.96, and are distributed according to the same disclaimer and
@@ -6075,6 +6079,9 @@ Contributing Authors:
    Greg Roelofs
    Tom Tanner
 
+Some files in the "scripts" directory have other copyright owners
+but are released under this license.
+
 libpng versions 0.5, May 1995, through 0.88, January 1996, are
 Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
 
@@ -6148,7 +6155,7 @@ files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-February 10, 2016
+February 19, 2016
 
 .\" end of man page
 

png.h

 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.6.22beta03, February 13, 2016
+ * libpng version 1.6.22beta03, February 19, 2016
  *
  * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -12,7 +12,7 @@
  * Authors and maintainers:
  *   libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *   libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
- *   libpng versions 0.97, January 1998, through 1.6.22beta03, February 13, 2016:
+ *   libpng versions 0.97, January 1998, through 1.6.22beta03, February 19, 2016:
  *     Glenn Randers-Pehrson.
  *   See also "Contributing Authors", below.
  */
@@ -25,7 +25,11 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.0.7, July 1, 2000, through 1.6.22beta03, February 13, 2016, are
+ * Some files in the "contrib" directory and some configure-generated
+ * files that are distributed with libpng have other copyright owners and
+ * are released under other open source licenses.
+ *
+ * libpng versions 1.0.7, July 1, 2000, through 1.6.22beta03, February 19, 2016, are
  * Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are
  * derived from libpng-1.0.6, and are distributed according to the same
  * disclaimer and license as libpng-1.0.6 with the following individuals
@@ -47,6 +51,10 @@
  *    risk of satisfactory quality, performance, accuracy, and effort is with
  *    the user.
  *
+ * Some files in the "contrib" directory have other copyright owners and
+ * are released under other open source licenses.
+ *
+ *
  * libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
  * Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from
  * libpng-0.96, and are distributed according to the same disclaimer and
@@ -57,6 +65,9 @@
  *    Glenn Randers-Pehrson
  *    Willem van Schaik
  *
+ * Some files in the "scripts" directory have different copyright owners
+ * but are also released under this license.
+ *
  * libpng versions 0.89, June 1996, through 0.96, May 1997, are
  * Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88,
  * and are distributed according to the same disclaimer and license as
@@ -70,6 +81,9 @@
  *    Greg Roelofs
  *    Tom Tanner
  *
+ * Some files in the "scripts" directory have other copyright owners
+ * but are released under this license.
+ *
  * libpng versions 0.5, May 1995, through 0.88, January 1996, are
  * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
  *
@@ -231,7 +245,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    February 13, 2016
+ *    February 19, 2016
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -301,7 +315,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.6.22beta03"
 #define PNG_HEADER_VERSION_STRING \
-     " libpng version 1.6.22beta03 - February 13, 2016\n"
+     " libpng version 1.6.22beta03 - February 19, 2016\n"
 
 #define PNG_LIBPNG_VER_SONUM   16
 #define PNG_LIBPNG_VER_DLLNUM  16